phpBB : Critical Error

Error creating new session

DEBUG MODE

SQL Error : 1062 Duplicate entry '-1' for key 2

INSERT INTO phpbb_sessions (session_id, session_user_id, session_start, session_time, session_ip, session_page, session_logged_in, session_admin) VALUES ('9689f630c070cd7b2fa2056a3e9071ce', -1, 1563420530, 1563420530, '035149e9', 40, 0, 0)

Line : 189
File : sessions.php